有壳的

例句：

1. 1. The crab has a hard shell to protect its soft body.
   螃蟹有硬壳来保护它的软身体。
2. 2. The tree's bark is made of tough, hard shells.
   树的外皮是由坚韧的硬壳制成的。
3. 3. She carefully picked up the shell from the beach.
   她小心翼翼地从海滩上捡起了贝壳。